Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Mediatek ALSA SoC AFE platform driver |
| 3 | * |
| 4 | * Copyright (c) 2015 MediaTek Inc. |
| 5 | * Author: Koro Chen <koro.chen@mediatek.com> |
| 6 | * Sascha Hauer <s.hauer@pengutronix.de> |
| 7 | * Hidalgo Huang <hidalgo.huang@mediatek.com> |
| 8 | * Ir Lian <ir.lian@mediatek.com> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 and |
| 12 | * only version 2 as published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/delay.h> |
| 21 | #include <linux/module.h> |
| 22 | #include <linux/of.h> |
| 23 | #include <linux/of_address.h> |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 24 | #include <linux/dma-mapping.h> |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 25 | #include <linux/pm_runtime.h> |
| 26 | #include <sound/soc.h> |
| 27 | #include "mtk-afe-common.h" |
| 28 | |
| 29 | /***************************************************************************** |
| 30 | * R E G I S T E R D E F I N I T I O N |
| 31 | *****************************************************************************/ |
| 32 | #define AUDIO_TOP_CON0 0x0000 |
| 33 | #define AUDIO_TOP_CON1 0x0004 |
| 34 | #define AFE_DAC_CON0 0x0010 |
| 35 | #define AFE_DAC_CON1 0x0014 |
| 36 | #define AFE_I2S_CON1 0x0034 |
| 37 | #define AFE_I2S_CON2 0x0038 |
| 38 | #define AFE_CONN_24BIT 0x006c |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 39 | #define AFE_MEMIF_MSB 0x00cc |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 40 | |
| 41 | #define AFE_CONN1 0x0024 |
| 42 | #define AFE_CONN2 0x0028 |
Koro Chen | 84f3a52 | 2016-02-25 15:12:33 +0800 | [diff] [blame] | 43 | #define AFE_CONN3 0x002c |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 44 | #define AFE_CONN7 0x0460 |
| 45 | #define AFE_CONN8 0x0464 |
| 46 | #define AFE_HDMI_CONN0 0x0390 |
| 47 | |
| 48 | /* Memory interface */ |
| 49 | #define AFE_DL1_BASE 0x0040 |
| 50 | #define AFE_DL1_CUR 0x0044 |
Koro Chen | 775b07d | 2015-07-22 17:39:35 +0800 | [diff] [blame] | 51 | #define AFE_DL1_END 0x0048 |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 52 | #define AFE_DL2_BASE 0x0050 |
| 53 | #define AFE_DL2_CUR 0x0054 |
| 54 | #define AFE_AWB_BASE 0x0070 |
| 55 | #define AFE_AWB_CUR 0x007c |
| 56 | #define AFE_VUL_BASE 0x0080 |
| 57 | #define AFE_VUL_CUR 0x008c |
Koro Chen | 775b07d | 2015-07-22 17:39:35 +0800 | [diff] [blame] | 58 | #define AFE_VUL_END 0x0088 |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 59 | #define AFE_DAI_BASE 0x0090 |
| 60 | #define AFE_DAI_CUR 0x009c |
| 61 | #define AFE_MOD_PCM_BASE 0x0330 |
| 62 | #define AFE_MOD_PCM_CUR 0x033c |
| 63 | #define AFE_HDMI_OUT_BASE 0x0374 |
| 64 | #define AFE_HDMI_OUT_CUR 0x0378 |
Koro Chen | 775b07d | 2015-07-22 17:39:35 +0800 | [diff] [blame] | 65 | #define AFE_HDMI_OUT_END 0x037c |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 66 | |
Koro Chen | 84f3a52 | 2016-02-25 15:12:33 +0800 | [diff] [blame] | 67 | #define AFE_ADDA_TOP_CON0 0x0120 |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 68 | #define AFE_ADDA2_TOP_CON0 0x0600 |
| 69 | |
| 70 | #define AFE_HDMI_OUT_CON0 0x0370 |
| 71 | |
| 72 | #define AFE_IRQ_MCU_CON 0x03a0 |
| 73 | #define AFE_IRQ_STATUS 0x03a4 |
| 74 | #define AFE_IRQ_CLR 0x03a8 |
| 75 | #define AFE_IRQ_CNT1 0x03ac |
| 76 | #define AFE_IRQ_CNT2 0x03b0 |
| 77 | #define AFE_IRQ_MCU_EN 0x03b4 |
| 78 | #define AFE_IRQ_CNT5 0x03bc |
| 79 | #define AFE_IRQ_CNT7 0x03dc |
| 80 | |
| 81 | #define AFE_TDM_CON1 0x0548 |
| 82 | #define AFE_TDM_CON2 0x054c |
| 83 | |
| 84 | #define AFE_BASE_END_OFFSET 8 |
| 85 | #define AFE_IRQ_STATUS_BITS 0xff |
| 86 | |
| 87 | /* AUDIO_TOP_CON0 (0x0000) */ |
| 88 | #define AUD_TCON0_PDN_SPDF (0x1 << 21) |
| 89 | #define AUD_TCON0_PDN_HDMI (0x1 << 20) |
| 90 | #define AUD_TCON0_PDN_24M (0x1 << 9) |
| 91 | #define AUD_TCON0_PDN_22M (0x1 << 8) |
| 92 | #define AUD_TCON0_PDN_AFE (0x1 << 2) |
| 93 | |
| 94 | /* AFE_I2S_CON1 (0x0034) */ |
| 95 | #define AFE_I2S_CON1_LOW_JITTER_CLK (0x1 << 12) |
| 96 | #define AFE_I2S_CON1_RATE(x) (((x) & 0xf) << 8) |
| 97 | #define AFE_I2S_CON1_FORMAT_I2S (0x1 << 3) |
| 98 | #define AFE_I2S_CON1_EN (0x1 << 0) |
| 99 | |
| 100 | /* AFE_I2S_CON2 (0x0038) */ |
| 101 | #define AFE_I2S_CON2_LOW_JITTER_CLK (0x1 << 12) |
| 102 | #define AFE_I2S_CON2_RATE(x) (((x) & 0xf) << 8) |
| 103 | #define AFE_I2S_CON2_FORMAT_I2S (0x1 << 3) |
| 104 | #define AFE_I2S_CON2_EN (0x1 << 0) |
| 105 | |
| 106 | /* AFE_CONN_24BIT (0x006c) */ |
| 107 | #define AFE_CONN_24BIT_O04 (0x1 << 4) |
| 108 | #define AFE_CONN_24BIT_O03 (0x1 << 3) |
| 109 | |
| 110 | /* AFE_HDMI_CONN0 (0x0390) */ |
| 111 | #define AFE_HDMI_CONN0_O37_I37 (0x7 << 21) |
| 112 | #define AFE_HDMI_CONN0_O36_I36 (0x6 << 18) |
| 113 | #define AFE_HDMI_CONN0_O35_I33 (0x3 << 15) |
| 114 | #define AFE_HDMI_CONN0_O34_I32 (0x2 << 12) |
| 115 | #define AFE_HDMI_CONN0_O33_I35 (0x5 << 9) |
| 116 | #define AFE_HDMI_CONN0_O32_I34 (0x4 << 6) |
| 117 | #define AFE_HDMI_CONN0_O31_I31 (0x1 << 3) |
| 118 | #define AFE_HDMI_CONN0_O30_I30 (0x0 << 0) |
| 119 | |
| 120 | /* AFE_TDM_CON1 (0x0548) */ |
| 121 | #define AFE_TDM_CON1_LRCK_WIDTH(x) (((x) - 1) << 24) |
| 122 | #define AFE_TDM_CON1_32_BCK_CYCLES (0x2 << 12) |
| 123 | #define AFE_TDM_CON1_WLEN_32BIT (0x2 << 8) |
| 124 | #define AFE_TDM_CON1_MSB_ALIGNED (0x1 << 4) |
| 125 | #define AFE_TDM_CON1_1_BCK_DELAY (0x1 << 3) |
PC Liao | 27becea | 2016-04-26 14:30:18 +0800 | [diff] [blame] | 126 | #define AFE_TDM_CON1_LRCK_INV (0x1 << 2) |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 127 | #define AFE_TDM_CON1_BCK_INV (0x1 << 1) |
| 128 | #define AFE_TDM_CON1_EN (0x1 << 0) |
| 129 | |
| 130 | enum afe_tdm_ch_start { |
| 131 | AFE_TDM_CH_START_O30_O31 = 0, |
| 132 | AFE_TDM_CH_START_O32_O33, |
| 133 | AFE_TDM_CH_START_O34_O35, |
| 134 | AFE_TDM_CH_START_O36_O37, |
| 135 | AFE_TDM_CH_ZERO, |
| 136 | }; |
| 137 | |
Koro Chen | 775b07d | 2015-07-22 17:39:35 +0800 | [diff] [blame] | 138 | static const unsigned int mtk_afe_backup_list[] = { |
| 139 | AUDIO_TOP_CON0, |
| 140 | AFE_CONN1, |
| 141 | AFE_CONN2, |
| 142 | AFE_CONN7, |
| 143 | AFE_CONN8, |
| 144 | AFE_DAC_CON1, |
| 145 | AFE_DL1_BASE, |
| 146 | AFE_DL1_END, |
| 147 | AFE_VUL_BASE, |
| 148 | AFE_VUL_END, |
| 149 | AFE_HDMI_OUT_BASE, |
| 150 | AFE_HDMI_OUT_END, |
| 151 | AFE_HDMI_CONN0, |
| 152 | AFE_DAC_CON0, |
| 153 | }; |
| 154 | |
| 155 | struct mtk_afe { |
| 156 | /* address for ioremap audio hardware register */ |
| 157 | void __iomem *base_addr; |
| 158 | struct device *dev; |
| 159 | struct regmap *regmap; |
| 160 | struct mtk_afe_memif memif[MTK_AFE_MEMIF_NUM]; |
| 161 | struct clk *clocks[MTK_CLK_NUM]; |
| 162 | unsigned int backup_regs[ARRAY_SIZE(mtk_afe_backup_list)]; |
| 163 | bool suspended; |
| 164 | }; |
| 165 | |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 166 | static const struct snd_pcm_hardware mtk_afe_hardware = { |
| 167 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 168 | SNDRV_PCM_INFO_MMAP_VALID), |
| 169 | .buffer_bytes_max = 256 * 1024, |
| 170 | .period_bytes_min = 512, |
| 171 | .period_bytes_max = 128 * 1024, |
| 172 | .periods_min = 2, |
| 173 | .periods_max = 256, |
| 174 | .fifo_size = 0, |
| 175 | }; |
| 176 | |
| 177 | static snd_pcm_uframes_t mtk_afe_pcm_pointer |
| 178 | (struct snd_pcm_substream *substream) |
| 179 | { |
| 180 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 181 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 182 | struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; |
Koro Chen | 8d6f88c | 2015-12-03 15:53:28 +0800 | [diff] [blame] | 183 | unsigned int hw_ptr; |
| 184 | int ret; |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 185 | |
Koro Chen | 8d6f88c | 2015-12-03 15:53:28 +0800 | [diff] [blame] | 186 | ret = regmap_read(afe->regmap, memif->data->reg_ofs_cur, &hw_ptr); |
| 187 | if (ret || hw_ptr == 0) { |
| 188 | dev_err(afe->dev, "%s hw_ptr err\n", __func__); |
| 189 | hw_ptr = memif->phys_buf_addr; |
| 190 | } |
| 191 | |
| 192 | return bytes_to_frames(substream->runtime, |
| 193 | hw_ptr - memif->phys_buf_addr); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | static const struct snd_pcm_ops mtk_afe_pcm_ops = { |
| 197 | .ioctl = snd_pcm_lib_ioctl, |
| 198 | .pointer = mtk_afe_pcm_pointer, |
| 199 | }; |
| 200 | |
| 201 | static int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd) |
| 202 | { |
| 203 | size_t size; |
| 204 | struct snd_card *card = rtd->card->snd_card; |
| 205 | struct snd_pcm *pcm = rtd->pcm; |
| 206 | |
| 207 | size = mtk_afe_hardware.buffer_bytes_max; |
| 208 | |
| 209 | return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
| 210 | card->dev, size, size); |
| 211 | } |
| 212 | |
| 213 | static void mtk_afe_pcm_free(struct snd_pcm *pcm) |
| 214 | { |
| 215 | snd_pcm_lib_preallocate_free_for_all(pcm); |
| 216 | } |
| 217 | |
| 218 | static const struct snd_soc_platform_driver mtk_afe_pcm_platform = { |
| 219 | .ops = &mtk_afe_pcm_ops, |
| 220 | .pcm_new = mtk_afe_pcm_new, |
| 221 | .pcm_free = mtk_afe_pcm_free, |
| 222 | }; |
| 223 | |
| 224 | struct mtk_afe_rate { |
| 225 | unsigned int rate; |
| 226 | unsigned int regvalue; |
| 227 | }; |
| 228 | |
| 229 | static const struct mtk_afe_rate mtk_afe_i2s_rates[] = { |
| 230 | { .rate = 8000, .regvalue = 0 }, |
| 231 | { .rate = 11025, .regvalue = 1 }, |
| 232 | { .rate = 12000, .regvalue = 2 }, |
| 233 | { .rate = 16000, .regvalue = 4 }, |
| 234 | { .rate = 22050, .regvalue = 5 }, |
| 235 | { .rate = 24000, .regvalue = 6 }, |
| 236 | { .rate = 32000, .regvalue = 8 }, |
| 237 | { .rate = 44100, .regvalue = 9 }, |
| 238 | { .rate = 48000, .regvalue = 10 }, |
| 239 | { .rate = 88000, .regvalue = 11 }, |
| 240 | { .rate = 96000, .regvalue = 12 }, |
| 241 | { .rate = 174000, .regvalue = 13 }, |
| 242 | { .rate = 192000, .regvalue = 14 }, |
| 243 | }; |
| 244 | |
| 245 | static int mtk_afe_i2s_fs(unsigned int sample_rate) |
| 246 | { |
| 247 | int i; |
| 248 | |
| 249 | for (i = 0; i < ARRAY_SIZE(mtk_afe_i2s_rates); i++) |
| 250 | if (mtk_afe_i2s_rates[i].rate == sample_rate) |
| 251 | return mtk_afe_i2s_rates[i].regvalue; |
| 252 | |
| 253 | return -EINVAL; |
| 254 | } |
| 255 | |
| 256 | static int mtk_afe_set_i2s(struct mtk_afe *afe, unsigned int rate) |
| 257 | { |
| 258 | unsigned int val; |
| 259 | int fs = mtk_afe_i2s_fs(rate); |
| 260 | |
| 261 | if (fs < 0) |
| 262 | return -EINVAL; |
| 263 | |
| 264 | /* from external ADC */ |
Koro Chen | 84f3a52 | 2016-02-25 15:12:33 +0800 | [diff] [blame] | 265 | regmap_update_bits(afe->regmap, AFE_ADDA_TOP_CON0, 0x1, 0x1); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 266 | regmap_update_bits(afe->regmap, AFE_ADDA2_TOP_CON0, 0x1, 0x1); |
| 267 | |
| 268 | /* set input */ |
| 269 | val = AFE_I2S_CON2_LOW_JITTER_CLK | |
| 270 | AFE_I2S_CON2_RATE(fs) | |
| 271 | AFE_I2S_CON2_FORMAT_I2S; |
| 272 | |
| 273 | regmap_update_bits(afe->regmap, AFE_I2S_CON2, ~AFE_I2S_CON2_EN, val); |
| 274 | |
| 275 | /* set output */ |
| 276 | val = AFE_I2S_CON1_LOW_JITTER_CLK | |
| 277 | AFE_I2S_CON1_RATE(fs) | |
| 278 | AFE_I2S_CON1_FORMAT_I2S; |
| 279 | |
| 280 | regmap_update_bits(afe->regmap, AFE_I2S_CON1, ~AFE_I2S_CON1_EN, val); |
| 281 | return 0; |
| 282 | } |
| 283 | |
| 284 | static void mtk_afe_set_i2s_enable(struct mtk_afe *afe, bool enable) |
| 285 | { |
| 286 | unsigned int val; |
| 287 | |
| 288 | regmap_read(afe->regmap, AFE_I2S_CON2, &val); |
| 289 | if (!!(val & AFE_I2S_CON2_EN) == enable) |
PC Liao | 4d7cb66 | 2016-02-23 16:20:24 +0800 | [diff] [blame] | 290 | return; |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 291 | |
| 292 | /* input */ |
| 293 | regmap_update_bits(afe->regmap, AFE_I2S_CON2, 0x1, enable); |
| 294 | |
| 295 | /* output */ |
| 296 | regmap_update_bits(afe->regmap, AFE_I2S_CON1, 0x1, enable); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | static int mtk_afe_dais_enable_clks(struct mtk_afe *afe, |
| 300 | struct clk *m_ck, struct clk *b_ck) |
| 301 | { |
| 302 | int ret; |
| 303 | |
| 304 | if (m_ck) { |
| 305 | ret = clk_prepare_enable(m_ck); |
| 306 | if (ret) { |
| 307 | dev_err(afe->dev, "Failed to enable m_ck\n"); |
| 308 | return ret; |
| 309 | } |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | if (b_ck) { |
| 313 | ret = clk_prepare_enable(b_ck); |
| 314 | if (ret) { |
| 315 | dev_err(afe->dev, "Failed to enable b_ck\n"); |
| 316 | return ret; |
| 317 | } |
| 318 | } |
| 319 | return 0; |
| 320 | } |
| 321 | |
| 322 | static int mtk_afe_dais_set_clks(struct mtk_afe *afe, |
| 323 | struct clk *m_ck, unsigned int mck_rate, |
| 324 | struct clk *b_ck, unsigned int bck_rate) |
| 325 | { |
| 326 | int ret; |
| 327 | |
| 328 | if (m_ck) { |
| 329 | ret = clk_set_rate(m_ck, mck_rate); |
| 330 | if (ret) { |
| 331 | dev_err(afe->dev, "Failed to set m_ck rate\n"); |
| 332 | return ret; |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | if (b_ck) { |
| 337 | ret = clk_set_rate(b_ck, bck_rate); |
| 338 | if (ret) { |
| 339 | dev_err(afe->dev, "Failed to set b_ck rate\n"); |
| 340 | return ret; |
| 341 | } |
| 342 | } |
| 343 | return 0; |
| 344 | } |
| 345 | |
| 346 | static void mtk_afe_dais_disable_clks(struct mtk_afe *afe, |
| 347 | struct clk *m_ck, struct clk *b_ck) |
| 348 | { |
Koro Chen | b45e68d | 2015-11-10 15:26:12 +0800 | [diff] [blame] | 349 | if (m_ck) |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 350 | clk_disable_unprepare(m_ck); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 351 | if (b_ck) |
| 352 | clk_disable_unprepare(b_ck); |
| 353 | } |
| 354 | |
| 355 | static int mtk_afe_i2s_startup(struct snd_pcm_substream *substream, |
| 356 | struct snd_soc_dai *dai) |
| 357 | { |
| 358 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 359 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 360 | |
| 361 | if (dai->active) |
| 362 | return 0; |
| 363 | |
| 364 | mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL); |
PC Liao | 4d7cb66 | 2016-02-23 16:20:24 +0800 | [diff] [blame] | 365 | mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S2_M], NULL); |
Koro Chen | b45e68d | 2015-11-10 15:26:12 +0800 | [diff] [blame] | 366 | regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, |
| 367 | AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, 0); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 368 | return 0; |
| 369 | } |
| 370 | |
| 371 | static void mtk_afe_i2s_shutdown(struct snd_pcm_substream *substream, |
| 372 | struct snd_soc_dai *dai) |
| 373 | { |
| 374 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 375 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 376 | |
| 377 | if (dai->active) |
| 378 | return; |
| 379 | |
| 380 | mtk_afe_set_i2s_enable(afe, false); |
Koro Chen | b45e68d | 2015-11-10 15:26:12 +0800 | [diff] [blame] | 381 | regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, |
| 382 | AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, |
| 383 | AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 384 | mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL); |
PC Liao | 4d7cb66 | 2016-02-23 16:20:24 +0800 | [diff] [blame] | 385 | mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S2_M], NULL); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | static int mtk_afe_i2s_prepare(struct snd_pcm_substream *substream, |
| 389 | struct snd_soc_dai *dai) |
| 390 | { |
| 391 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 392 | struct snd_pcm_runtime * const runtime = substream->runtime; |
| 393 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 394 | int ret; |
| 395 | |
| 396 | mtk_afe_dais_set_clks(afe, |
| 397 | afe->clocks[MTK_CLK_I2S1_M], runtime->rate * 256, |
| 398 | NULL, 0); |
PC Liao | 4d7cb66 | 2016-02-23 16:20:24 +0800 | [diff] [blame] | 399 | mtk_afe_dais_set_clks(afe, |
| 400 | afe->clocks[MTK_CLK_I2S2_M], runtime->rate * 256, |
| 401 | NULL, 0); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 402 | /* config I2S */ |
| 403 | ret = mtk_afe_set_i2s(afe, substream->runtime->rate); |
| 404 | if (ret) |
| 405 | return ret; |
| 406 | |
| 407 | mtk_afe_set_i2s_enable(afe, true); |
| 408 | |
| 409 | return 0; |
| 410 | } |
| 411 | |
| 412 | static int mtk_afe_hdmi_startup(struct snd_pcm_substream *substream, |
| 413 | struct snd_soc_dai *dai) |
| 414 | { |
| 415 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 416 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 417 | |
| 418 | if (dai->active) |
| 419 | return 0; |
| 420 | |
| 421 | mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S3_M], |
| 422 | afe->clocks[MTK_CLK_I2S3_B]); |
| 423 | return 0; |
| 424 | } |
| 425 | |
| 426 | static void mtk_afe_hdmi_shutdown(struct snd_pcm_substream *substream, |
| 427 | struct snd_soc_dai *dai) |
| 428 | { |
| 429 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 430 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 431 | |
| 432 | if (dai->active) |
| 433 | return; |
| 434 | |
| 435 | mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S3_M], |
| 436 | afe->clocks[MTK_CLK_I2S3_B]); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 437 | } |
| 438 | |
| 439 | static int mtk_afe_hdmi_prepare(struct snd_pcm_substream *substream, |
| 440 | struct snd_soc_dai *dai) |
| 441 | { |
| 442 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 443 | struct snd_pcm_runtime * const runtime = substream->runtime; |
| 444 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 445 | unsigned int val; |
| 446 | |
| 447 | mtk_afe_dais_set_clks(afe, |
| 448 | afe->clocks[MTK_CLK_I2S3_M], runtime->rate * 128, |
| 449 | afe->clocks[MTK_CLK_I2S3_B], |
| 450 | runtime->rate * runtime->channels * 32); |
| 451 | |
| 452 | val = AFE_TDM_CON1_BCK_INV | |
PC Liao | 27becea | 2016-04-26 14:30:18 +0800 | [diff] [blame] | 453 | AFE_TDM_CON1_LRCK_INV | |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 454 | AFE_TDM_CON1_1_BCK_DELAY | |
| 455 | AFE_TDM_CON1_MSB_ALIGNED | /* I2S mode */ |
| 456 | AFE_TDM_CON1_WLEN_32BIT | |
| 457 | AFE_TDM_CON1_32_BCK_CYCLES | |
| 458 | AFE_TDM_CON1_LRCK_WIDTH(32); |
| 459 | regmap_update_bits(afe->regmap, AFE_TDM_CON1, ~AFE_TDM_CON1_EN, val); |
| 460 | |
| 461 | /* set tdm2 config */ |
| 462 | switch (runtime->channels) { |
| 463 | case 1: |
| 464 | case 2: |
| 465 | val = AFE_TDM_CH_START_O30_O31; |
| 466 | val |= (AFE_TDM_CH_ZERO << 4); |
| 467 | val |= (AFE_TDM_CH_ZERO << 8); |
| 468 | val |= (AFE_TDM_CH_ZERO << 12); |
| 469 | break; |
| 470 | case 3: |
| 471 | case 4: |
| 472 | val = AFE_TDM_CH_START_O30_O31; |
| 473 | val |= (AFE_TDM_CH_START_O32_O33 << 4); |
| 474 | val |= (AFE_TDM_CH_ZERO << 8); |
| 475 | val |= (AFE_TDM_CH_ZERO << 12); |
| 476 | break; |
| 477 | case 5: |
| 478 | case 6: |
| 479 | val = AFE_TDM_CH_START_O30_O31; |
| 480 | val |= (AFE_TDM_CH_START_O32_O33 << 4); |
| 481 | val |= (AFE_TDM_CH_START_O34_O35 << 8); |
| 482 | val |= (AFE_TDM_CH_ZERO << 12); |
| 483 | break; |
| 484 | case 7: |
| 485 | case 8: |
| 486 | val = AFE_TDM_CH_START_O30_O31; |
| 487 | val |= (AFE_TDM_CH_START_O32_O33 << 4); |
| 488 | val |= (AFE_TDM_CH_START_O34_O35 << 8); |
| 489 | val |= (AFE_TDM_CH_START_O36_O37 << 12); |
| 490 | break; |
| 491 | default: |
| 492 | val = 0; |
| 493 | } |
| 494 | regmap_update_bits(afe->regmap, AFE_TDM_CON2, 0x0000ffff, val); |
| 495 | |
| 496 | regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0, |
| 497 | 0x000000f0, runtime->channels << 4); |
| 498 | return 0; |
| 499 | } |
| 500 | |
| 501 | static int mtk_afe_hdmi_trigger(struct snd_pcm_substream *substream, int cmd, |
| 502 | struct snd_soc_dai *dai) |
| 503 | { |
| 504 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 505 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 506 | |
| 507 | dev_info(afe->dev, "%s cmd=%d %s\n", __func__, cmd, dai->name); |
| 508 | |
| 509 | switch (cmd) { |
| 510 | case SNDRV_PCM_TRIGGER_START: |
| 511 | case SNDRV_PCM_TRIGGER_RESUME: |
| 512 | regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, |
| 513 | AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF, 0); |
| 514 | |
| 515 | /* set connections: O30~O37: L/R/LS/RS/C/LFE/CH7/CH8 */ |
| 516 | regmap_write(afe->regmap, AFE_HDMI_CONN0, |
| 517 | AFE_HDMI_CONN0_O30_I30 | AFE_HDMI_CONN0_O31_I31 | |
| 518 | AFE_HDMI_CONN0_O32_I34 | AFE_HDMI_CONN0_O33_I35 | |
| 519 | AFE_HDMI_CONN0_O34_I32 | AFE_HDMI_CONN0_O35_I33 | |
| 520 | AFE_HDMI_CONN0_O36_I36 | AFE_HDMI_CONN0_O37_I37); |
| 521 | |
| 522 | /* enable Out control */ |
| 523 | regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0, 0x1, 0x1); |
| 524 | |
| 525 | /* enable tdm */ |
| 526 | regmap_update_bits(afe->regmap, AFE_TDM_CON1, 0x1, 0x1); |
| 527 | |
| 528 | return 0; |
| 529 | case SNDRV_PCM_TRIGGER_STOP: |
| 530 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 531 | /* disable tdm */ |
| 532 | regmap_update_bits(afe->regmap, AFE_TDM_CON1, 0x1, 0); |
| 533 | |
| 534 | /* disable Out control */ |
| 535 | regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0, 0x1, 0); |
| 536 | |
| 537 | regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, |
| 538 | AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF, |
| 539 | AUD_TCON0_PDN_HDMI | AUD_TCON0_PDN_SPDF); |
| 540 | |
| 541 | return 0; |
| 542 | default: |
| 543 | return -EINVAL; |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | static int mtk_afe_dais_startup(struct snd_pcm_substream *substream, |
| 548 | struct snd_soc_dai *dai) |
| 549 | { |
| 550 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 551 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 552 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 553 | struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; |
| 554 | int ret; |
| 555 | |
| 556 | memif->substream = substream; |
| 557 | |
| 558 | snd_soc_set_runtime_hwparams(substream, &mtk_afe_hardware); |
Koro Chen | e4fba9b | 2015-09-14 14:51:17 +0800 | [diff] [blame] | 559 | |
| 560 | /* |
| 561 | * Capture cannot use ping-pong buffer since hw_ptr at IRQ may be |
| 562 | * smaller than period_size due to AFE's internal buffer. |
| 563 | * This easily leads to overrun when avail_min is period_size. |
| 564 | * One more period can hold the possible unread buffer. |
| 565 | */ |
| 566 | if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { |
| 567 | ret = snd_pcm_hw_constraint_minmax(runtime, |
| 568 | SNDRV_PCM_HW_PARAM_PERIODS, |
| 569 | 3, |
| 570 | mtk_afe_hardware.periods_max); |
| 571 | if (ret < 0) { |
| 572 | dev_err(afe->dev, "hw_constraint_minmax failed\n"); |
| 573 | return ret; |
| 574 | } |
| 575 | } |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 576 | ret = snd_pcm_hw_constraint_integer(runtime, |
| 577 | SNDRV_PCM_HW_PARAM_PERIODS); |
| 578 | if (ret < 0) |
| 579 | dev_err(afe->dev, "snd_pcm_hw_constraint_integer failed\n"); |
| 580 | return ret; |
| 581 | } |
| 582 | |
| 583 | static void mtk_afe_dais_shutdown(struct snd_pcm_substream *substream, |
| 584 | struct snd_soc_dai *dai) |
| 585 | { |
| 586 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 587 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 588 | struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; |
| 589 | |
| 590 | memif->substream = NULL; |
| 591 | } |
| 592 | |
| 593 | static int mtk_afe_dais_hw_params(struct snd_pcm_substream *substream, |
| 594 | struct snd_pcm_hw_params *params, |
| 595 | struct snd_soc_dai *dai) |
| 596 | { |
| 597 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 598 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 599 | struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 600 | int msb_at_bit33 = 0; |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 601 | int ret; |
| 602 | |
| 603 | dev_dbg(afe->dev, |
| 604 | "%s period = %u, rate= %u, channels=%u\n", |
| 605 | __func__, params_period_size(params), params_rate(params), |
| 606 | params_channels(params)); |
| 607 | |
| 608 | ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); |
| 609 | if (ret < 0) |
| 610 | return ret; |
| 611 | |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 612 | msb_at_bit33 = upper_32_bits(substream->runtime->dma_addr) ? 1 : 0; |
| 613 | memif->phys_buf_addr = lower_32_bits(substream->runtime->dma_addr); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 614 | memif->buffer_size = substream->runtime->dma_bytes; |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 615 | |
| 616 | /* start */ |
| 617 | regmap_write(afe->regmap, |
| 618 | memif->data->reg_ofs_base, memif->phys_buf_addr); |
| 619 | /* end */ |
| 620 | regmap_write(afe->regmap, |
| 621 | memif->data->reg_ofs_base + AFE_BASE_END_OFFSET, |
| 622 | memif->phys_buf_addr + memif->buffer_size - 1); |
| 623 | |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 624 | /* set MSB to 33-bit */ |
| 625 | regmap_update_bits(afe->regmap, AFE_MEMIF_MSB, |
| 626 | 1 << memif->data->msb_shift, |
| 627 | msb_at_bit33 << memif->data->msb_shift); |
| 628 | |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 629 | /* set channel */ |
| 630 | if (memif->data->mono_shift >= 0) { |
| 631 | unsigned int mono = (params_channels(params) == 1) ? 1 : 0; |
| 632 | |
| 633 | regmap_update_bits(afe->regmap, AFE_DAC_CON1, |
| 634 | 1 << memif->data->mono_shift, |
| 635 | mono << memif->data->mono_shift); |
| 636 | } |
| 637 | |
| 638 | /* set rate */ |
| 639 | if (memif->data->fs_shift < 0) |
| 640 | return 0; |
| 641 | if (memif->data->id == MTK_AFE_MEMIF_DAI || |
| 642 | memif->data->id == MTK_AFE_MEMIF_MOD_DAI) { |
| 643 | unsigned int val; |
| 644 | |
| 645 | switch (params_rate(params)) { |
| 646 | case 8000: |
| 647 | val = 0; |
| 648 | break; |
| 649 | case 16000: |
| 650 | val = 1; |
| 651 | break; |
| 652 | case 32000: |
| 653 | val = 2; |
| 654 | break; |
| 655 | default: |
| 656 | return -EINVAL; |
| 657 | } |
| 658 | |
| 659 | if (memif->data->id == MTK_AFE_MEMIF_DAI) |
| 660 | regmap_update_bits(afe->regmap, AFE_DAC_CON0, |
| 661 | 0x3 << memif->data->fs_shift, |
| 662 | val << memif->data->fs_shift); |
| 663 | else |
| 664 | regmap_update_bits(afe->regmap, AFE_DAC_CON1, |
| 665 | 0x3 << memif->data->fs_shift, |
| 666 | val << memif->data->fs_shift); |
| 667 | |
| 668 | } else { |
| 669 | int fs = mtk_afe_i2s_fs(params_rate(params)); |
| 670 | |
| 671 | if (fs < 0) |
| 672 | return -EINVAL; |
| 673 | |
| 674 | regmap_update_bits(afe->regmap, AFE_DAC_CON1, |
| 675 | 0xf << memif->data->fs_shift, |
| 676 | fs << memif->data->fs_shift); |
| 677 | } |
| 678 | |
| 679 | return 0; |
| 680 | } |
| 681 | |
| 682 | static int mtk_afe_dais_hw_free(struct snd_pcm_substream *substream, |
| 683 | struct snd_soc_dai *dai) |
| 684 | { |
| 685 | return snd_pcm_lib_free_pages(substream); |
| 686 | } |
| 687 | |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 688 | static int mtk_afe_dais_trigger(struct snd_pcm_substream *substream, int cmd, |
| 689 | struct snd_soc_dai *dai) |
| 690 | { |
| 691 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 692 | struct snd_pcm_runtime * const runtime = substream->runtime; |
| 693 | struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); |
| 694 | struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id]; |
| 695 | unsigned int counter = runtime->period_size; |
| 696 | |
| 697 | dev_info(afe->dev, "%s %s cmd=%d\n", __func__, memif->data->name, cmd); |
| 698 | |
| 699 | switch (cmd) { |
| 700 | case SNDRV_PCM_TRIGGER_START: |
| 701 | case SNDRV_PCM_TRIGGER_RESUME: |
| 702 | if (memif->data->enable_shift >= 0) |
| 703 | regmap_update_bits(afe->regmap, AFE_DAC_CON0, |
| 704 | 1 << memif->data->enable_shift, |
| 705 | 1 << memif->data->enable_shift); |
| 706 | |
| 707 | /* set irq counter */ |
| 708 | regmap_update_bits(afe->regmap, |
| 709 | memif->data->irq_reg_cnt, |
| 710 | 0x3ffff << memif->data->irq_cnt_shift, |
| 711 | counter << memif->data->irq_cnt_shift); |
| 712 | |
| 713 | /* set irq fs */ |
| 714 | if (memif->data->irq_fs_shift >= 0) { |
| 715 | int fs = mtk_afe_i2s_fs(runtime->rate); |
| 716 | |
| 717 | if (fs < 0) |
| 718 | return -EINVAL; |
| 719 | |
| 720 | regmap_update_bits(afe->regmap, |
| 721 | AFE_IRQ_MCU_CON, |
| 722 | 0xf << memif->data->irq_fs_shift, |
| 723 | fs << memif->data->irq_fs_shift); |
| 724 | } |
| 725 | /* enable interrupt */ |
| 726 | regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CON, |
| 727 | 1 << memif->data->irq_en_shift, |
| 728 | 1 << memif->data->irq_en_shift); |
| 729 | |
| 730 | return 0; |
| 731 | case SNDRV_PCM_TRIGGER_STOP: |
| 732 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 733 | if (memif->data->enable_shift >= 0) |
| 734 | regmap_update_bits(afe->regmap, AFE_DAC_CON0, |
| 735 | 1 << memif->data->enable_shift, 0); |
| 736 | /* disable interrupt */ |
| 737 | regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CON, |
| 738 | 1 << memif->data->irq_en_shift, |
| 739 | 0 << memif->data->irq_en_shift); |
| 740 | /* and clear pending IRQ */ |
| 741 | regmap_write(afe->regmap, AFE_IRQ_CLR, |
| 742 | 1 << memif->data->irq_clr_shift); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 743 | return 0; |
| 744 | default: |
| 745 | return -EINVAL; |
| 746 | } |
| 747 | } |
| 748 | |
| 749 | /* FE DAIs */ |
| 750 | static const struct snd_soc_dai_ops mtk_afe_dai_ops = { |
| 751 | .startup = mtk_afe_dais_startup, |
| 752 | .shutdown = mtk_afe_dais_shutdown, |
| 753 | .hw_params = mtk_afe_dais_hw_params, |
| 754 | .hw_free = mtk_afe_dais_hw_free, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 755 | .trigger = mtk_afe_dais_trigger, |
| 756 | }; |
| 757 | |
| 758 | /* BE DAIs */ |
| 759 | static const struct snd_soc_dai_ops mtk_afe_i2s_ops = { |
| 760 | .startup = mtk_afe_i2s_startup, |
| 761 | .shutdown = mtk_afe_i2s_shutdown, |
| 762 | .prepare = mtk_afe_i2s_prepare, |
| 763 | }; |
| 764 | |
| 765 | static const struct snd_soc_dai_ops mtk_afe_hdmi_ops = { |
| 766 | .startup = mtk_afe_hdmi_startup, |
| 767 | .shutdown = mtk_afe_hdmi_shutdown, |
| 768 | .prepare = mtk_afe_hdmi_prepare, |
| 769 | .trigger = mtk_afe_hdmi_trigger, |
| 770 | |
| 771 | }; |
| 772 | |
Koro Chen | 775b07d | 2015-07-22 17:39:35 +0800 | [diff] [blame] | 773 | static int mtk_afe_runtime_suspend(struct device *dev); |
| 774 | static int mtk_afe_runtime_resume(struct device *dev); |
| 775 | |
| 776 | static int mtk_afe_dai_suspend(struct snd_soc_dai *dai) |
| 777 | { |
| 778 | struct mtk_afe *afe = snd_soc_dai_get_drvdata(dai); |
| 779 | int i; |
| 780 | |
| 781 | dev_dbg(afe->dev, "%s\n", __func__); |
| 782 | if (pm_runtime_status_suspended(afe->dev) || afe->suspended) |
| 783 | return 0; |
| 784 | |
| 785 | for (i = 0; i < ARRAY_SIZE(mtk_afe_backup_list); i++) |
| 786 | regmap_read(afe->regmap, mtk_afe_backup_list[i], |
| 787 | &afe->backup_regs[i]); |
| 788 | |
| 789 | afe->suspended = true; |
| 790 | mtk_afe_runtime_suspend(afe->dev); |
| 791 | return 0; |
| 792 | } |
| 793 | |
| 794 | static int mtk_afe_dai_resume(struct snd_soc_dai *dai) |
| 795 | { |
| 796 | struct mtk_afe *afe = snd_soc_dai_get_drvdata(dai); |
| 797 | int i = 0; |
| 798 | |
| 799 | dev_dbg(afe->dev, "%s\n", __func__); |
| 800 | if (pm_runtime_status_suspended(afe->dev) || !afe->suspended) |
| 801 | return 0; |
| 802 | |
| 803 | mtk_afe_runtime_resume(afe->dev); |
| 804 | |
| 805 | for (i = 0; i < ARRAY_SIZE(mtk_afe_backup_list); i++) |
| 806 | regmap_write(afe->regmap, mtk_afe_backup_list[i], |
| 807 | afe->backup_regs[i]); |
| 808 | |
| 809 | afe->suspended = false; |
| 810 | return 0; |
| 811 | } |
| 812 | |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 813 | static struct snd_soc_dai_driver mtk_afe_pcm_dais[] = { |
| 814 | /* FE DAIs: memory intefaces to CPU */ |
| 815 | { |
| 816 | .name = "DL1", /* downlink 1 */ |
| 817 | .id = MTK_AFE_MEMIF_DL1, |
Koro Chen | 775b07d | 2015-07-22 17:39:35 +0800 | [diff] [blame] | 818 | .suspend = mtk_afe_dai_suspend, |
| 819 | .resume = mtk_afe_dai_resume, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 820 | .playback = { |
| 821 | .stream_name = "DL1", |
| 822 | .channels_min = 1, |
| 823 | .channels_max = 2, |
| 824 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 825 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 826 | }, |
| 827 | .ops = &mtk_afe_dai_ops, |
| 828 | }, { |
| 829 | .name = "VUL", /* voice uplink */ |
| 830 | .id = MTK_AFE_MEMIF_VUL, |
Koro Chen | 775b07d | 2015-07-22 17:39:35 +0800 | [diff] [blame] | 831 | .suspend = mtk_afe_dai_suspend, |
| 832 | .resume = mtk_afe_dai_resume, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 833 | .capture = { |
| 834 | .stream_name = "VUL", |
| 835 | .channels_min = 1, |
| 836 | .channels_max = 2, |
| 837 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 838 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 839 | }, |
| 840 | .ops = &mtk_afe_dai_ops, |
| 841 | }, { |
| 842 | /* BE DAIs */ |
| 843 | .name = "I2S", |
| 844 | .id = MTK_AFE_IO_I2S, |
| 845 | .playback = { |
| 846 | .stream_name = "I2S Playback", |
| 847 | .channels_min = 1, |
| 848 | .channels_max = 2, |
| 849 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 850 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 851 | }, |
| 852 | .capture = { |
| 853 | .stream_name = "I2S Capture", |
| 854 | .channels_min = 1, |
| 855 | .channels_max = 2, |
| 856 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 857 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 858 | }, |
| 859 | .ops = &mtk_afe_i2s_ops, |
| 860 | .symmetric_rates = 1, |
| 861 | }, |
| 862 | }; |
| 863 | |
| 864 | static struct snd_soc_dai_driver mtk_afe_hdmi_dais[] = { |
| 865 | /* FE DAIs */ |
| 866 | { |
| 867 | .name = "HDMI", |
| 868 | .id = MTK_AFE_MEMIF_HDMI, |
Koro Chen | 775b07d | 2015-07-22 17:39:35 +0800 | [diff] [blame] | 869 | .suspend = mtk_afe_dai_suspend, |
| 870 | .resume = mtk_afe_dai_resume, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 871 | .playback = { |
| 872 | .stream_name = "HDMI", |
| 873 | .channels_min = 2, |
| 874 | .channels_max = 8, |
| 875 | .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | |
| 876 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | |
| 877 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | |
| 878 | SNDRV_PCM_RATE_192000, |
| 879 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 880 | }, |
| 881 | .ops = &mtk_afe_dai_ops, |
| 882 | }, { |
| 883 | /* BE DAIs */ |
| 884 | .name = "HDMIO", |
| 885 | .id = MTK_AFE_IO_HDMI, |
| 886 | .playback = { |
| 887 | .stream_name = "HDMIO Playback", |
| 888 | .channels_min = 2, |
| 889 | .channels_max = 8, |
| 890 | .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | |
| 891 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | |
| 892 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | |
| 893 | SNDRV_PCM_RATE_192000, |
| 894 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 895 | }, |
| 896 | .ops = &mtk_afe_hdmi_ops, |
| 897 | }, |
| 898 | }; |
| 899 | |
| 900 | static const struct snd_kcontrol_new mtk_afe_o03_mix[] = { |
| 901 | SOC_DAPM_SINGLE_AUTODISABLE("I05 Switch", AFE_CONN1, 21, 1, 0), |
| 902 | }; |
| 903 | |
| 904 | static const struct snd_kcontrol_new mtk_afe_o04_mix[] = { |
| 905 | SOC_DAPM_SINGLE_AUTODISABLE("I06 Switch", AFE_CONN2, 6, 1, 0), |
| 906 | }; |
| 907 | |
| 908 | static const struct snd_kcontrol_new mtk_afe_o09_mix[] = { |
Koro Chen | 84f3a52 | 2016-02-25 15:12:33 +0800 | [diff] [blame] | 909 | SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 0, 1, 0), |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 910 | SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN7, 30, 1, 0), |
| 911 | }; |
| 912 | |
| 913 | static const struct snd_kcontrol_new mtk_afe_o10_mix[] = { |
Koro Chen | 84f3a52 | 2016-02-25 15:12:33 +0800 | [diff] [blame] | 914 | SOC_DAPM_SINGLE_AUTODISABLE("I04 Switch", AFE_CONN3, 3, 1, 0), |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 915 | SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN8, 0, 1, 0), |
| 916 | }; |
| 917 | |
| 918 | static const struct snd_soc_dapm_widget mtk_afe_pcm_widgets[] = { |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 919 | /* inter-connections */ |
Koro Chen | 84f3a52 | 2016-02-25 15:12:33 +0800 | [diff] [blame] | 920 | SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0), |
| 921 | SND_SOC_DAPM_MIXER("I04", SND_SOC_NOPM, 0, 0, NULL, 0), |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 922 | SND_SOC_DAPM_MIXER("I05", SND_SOC_NOPM, 0, 0, NULL, 0), |
| 923 | SND_SOC_DAPM_MIXER("I06", SND_SOC_NOPM, 0, 0, NULL, 0), |
| 924 | SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0), |
| 925 | SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0), |
| 926 | |
| 927 | SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0, |
| 928 | mtk_afe_o03_mix, ARRAY_SIZE(mtk_afe_o03_mix)), |
| 929 | SND_SOC_DAPM_MIXER("O04", SND_SOC_NOPM, 0, 0, |
| 930 | mtk_afe_o04_mix, ARRAY_SIZE(mtk_afe_o04_mix)), |
| 931 | SND_SOC_DAPM_MIXER("O09", SND_SOC_NOPM, 0, 0, |
| 932 | mtk_afe_o09_mix, ARRAY_SIZE(mtk_afe_o09_mix)), |
| 933 | SND_SOC_DAPM_MIXER("O10", SND_SOC_NOPM, 0, 0, |
| 934 | mtk_afe_o10_mix, ARRAY_SIZE(mtk_afe_o10_mix)), |
| 935 | }; |
| 936 | |
| 937 | static const struct snd_soc_dapm_route mtk_afe_pcm_routes[] = { |
| 938 | {"I05", NULL, "DL1"}, |
| 939 | {"I06", NULL, "DL1"}, |
| 940 | {"I2S Playback", NULL, "O03"}, |
| 941 | {"I2S Playback", NULL, "O04"}, |
| 942 | {"VUL", NULL, "O09"}, |
| 943 | {"VUL", NULL, "O10"}, |
Koro Chen | 84f3a52 | 2016-02-25 15:12:33 +0800 | [diff] [blame] | 944 | {"I03", NULL, "I2S Capture"}, |
| 945 | {"I04", NULL, "I2S Capture"}, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 946 | {"I17", NULL, "I2S Capture"}, |
| 947 | {"I18", NULL, "I2S Capture"}, |
| 948 | { "O03", "I05 Switch", "I05" }, |
| 949 | { "O04", "I06 Switch", "I06" }, |
| 950 | { "O09", "I17 Switch", "I17" }, |
Koro Chen | 84f3a52 | 2016-02-25 15:12:33 +0800 | [diff] [blame] | 951 | { "O09", "I03 Switch", "I03" }, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 952 | { "O10", "I18 Switch", "I18" }, |
Koro Chen | 84f3a52 | 2016-02-25 15:12:33 +0800 | [diff] [blame] | 953 | { "O10", "I04 Switch", "I04" }, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 954 | }; |
| 955 | |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 956 | static const struct snd_soc_dapm_route mtk_afe_hdmi_routes[] = { |
| 957 | {"HDMIO Playback", NULL, "HDMI"}, |
| 958 | }; |
| 959 | |
| 960 | static const struct snd_soc_component_driver mtk_afe_pcm_dai_component = { |
| 961 | .name = "mtk-afe-pcm-dai", |
| 962 | .dapm_widgets = mtk_afe_pcm_widgets, |
| 963 | .num_dapm_widgets = ARRAY_SIZE(mtk_afe_pcm_widgets), |
| 964 | .dapm_routes = mtk_afe_pcm_routes, |
| 965 | .num_dapm_routes = ARRAY_SIZE(mtk_afe_pcm_routes), |
| 966 | }; |
| 967 | |
| 968 | static const struct snd_soc_component_driver mtk_afe_hdmi_dai_component = { |
| 969 | .name = "mtk-afe-hdmi-dai", |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 970 | .dapm_routes = mtk_afe_hdmi_routes, |
| 971 | .num_dapm_routes = ARRAY_SIZE(mtk_afe_hdmi_routes), |
| 972 | }; |
| 973 | |
| 974 | static const char *aud_clks[MTK_CLK_NUM] = { |
| 975 | [MTK_CLK_INFRASYS_AUD] = "infra_sys_audio_clk", |
| 976 | [MTK_CLK_TOP_PDN_AUD] = "top_pdn_audio", |
| 977 | [MTK_CLK_TOP_PDN_AUD_BUS] = "top_pdn_aud_intbus", |
| 978 | [MTK_CLK_I2S0_M] = "i2s0_m", |
| 979 | [MTK_CLK_I2S1_M] = "i2s1_m", |
| 980 | [MTK_CLK_I2S2_M] = "i2s2_m", |
| 981 | [MTK_CLK_I2S3_M] = "i2s3_m", |
| 982 | [MTK_CLK_I2S3_B] = "i2s3_b", |
| 983 | [MTK_CLK_BCK0] = "bck0", |
| 984 | [MTK_CLK_BCK1] = "bck1", |
| 985 | }; |
| 986 | |
| 987 | static const struct mtk_afe_memif_data memif_data[MTK_AFE_MEMIF_NUM] = { |
| 988 | { |
| 989 | .name = "DL1", |
| 990 | .id = MTK_AFE_MEMIF_DL1, |
| 991 | .reg_ofs_base = AFE_DL1_BASE, |
| 992 | .reg_ofs_cur = AFE_DL1_CUR, |
| 993 | .fs_shift = 0, |
| 994 | .mono_shift = 21, |
| 995 | .enable_shift = 1, |
| 996 | .irq_reg_cnt = AFE_IRQ_CNT1, |
| 997 | .irq_cnt_shift = 0, |
| 998 | .irq_en_shift = 0, |
| 999 | .irq_fs_shift = 4, |
| 1000 | .irq_clr_shift = 0, |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 1001 | .msb_shift = 0, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1002 | }, { |
| 1003 | .name = "DL2", |
| 1004 | .id = MTK_AFE_MEMIF_DL2, |
| 1005 | .reg_ofs_base = AFE_DL2_BASE, |
| 1006 | .reg_ofs_cur = AFE_DL2_CUR, |
| 1007 | .fs_shift = 4, |
| 1008 | .mono_shift = 22, |
| 1009 | .enable_shift = 2, |
| 1010 | .irq_reg_cnt = AFE_IRQ_CNT1, |
| 1011 | .irq_cnt_shift = 20, |
| 1012 | .irq_en_shift = 2, |
| 1013 | .irq_fs_shift = 16, |
| 1014 | .irq_clr_shift = 2, |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 1015 | .msb_shift = 1, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1016 | }, { |
| 1017 | .name = "VUL", |
| 1018 | .id = MTK_AFE_MEMIF_VUL, |
| 1019 | .reg_ofs_base = AFE_VUL_BASE, |
| 1020 | .reg_ofs_cur = AFE_VUL_CUR, |
| 1021 | .fs_shift = 16, |
| 1022 | .mono_shift = 27, |
| 1023 | .enable_shift = 3, |
| 1024 | .irq_reg_cnt = AFE_IRQ_CNT2, |
| 1025 | .irq_cnt_shift = 0, |
| 1026 | .irq_en_shift = 1, |
| 1027 | .irq_fs_shift = 8, |
| 1028 | .irq_clr_shift = 1, |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 1029 | .msb_shift = 6, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1030 | }, { |
| 1031 | .name = "DAI", |
| 1032 | .id = MTK_AFE_MEMIF_DAI, |
| 1033 | .reg_ofs_base = AFE_DAI_BASE, |
| 1034 | .reg_ofs_cur = AFE_DAI_CUR, |
| 1035 | .fs_shift = 24, |
| 1036 | .mono_shift = -1, |
| 1037 | .enable_shift = 4, |
| 1038 | .irq_reg_cnt = AFE_IRQ_CNT2, |
| 1039 | .irq_cnt_shift = 20, |
| 1040 | .irq_en_shift = 3, |
| 1041 | .irq_fs_shift = 20, |
| 1042 | .irq_clr_shift = 3, |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 1043 | .msb_shift = 5, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1044 | }, { |
| 1045 | .name = "AWB", |
| 1046 | .id = MTK_AFE_MEMIF_AWB, |
| 1047 | .reg_ofs_base = AFE_AWB_BASE, |
| 1048 | .reg_ofs_cur = AFE_AWB_CUR, |
| 1049 | .fs_shift = 12, |
| 1050 | .mono_shift = 24, |
| 1051 | .enable_shift = 6, |
| 1052 | .irq_reg_cnt = AFE_IRQ_CNT7, |
| 1053 | .irq_cnt_shift = 0, |
| 1054 | .irq_en_shift = 14, |
| 1055 | .irq_fs_shift = 24, |
| 1056 | .irq_clr_shift = 6, |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 1057 | .msb_shift = 3, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1058 | }, { |
| 1059 | .name = "MOD_DAI", |
| 1060 | .id = MTK_AFE_MEMIF_MOD_DAI, |
| 1061 | .reg_ofs_base = AFE_MOD_PCM_BASE, |
| 1062 | .reg_ofs_cur = AFE_MOD_PCM_CUR, |
| 1063 | .fs_shift = 30, |
| 1064 | .mono_shift = 30, |
| 1065 | .enable_shift = 7, |
| 1066 | .irq_reg_cnt = AFE_IRQ_CNT2, |
| 1067 | .irq_cnt_shift = 20, |
| 1068 | .irq_en_shift = 3, |
| 1069 | .irq_fs_shift = 20, |
| 1070 | .irq_clr_shift = 3, |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 1071 | .msb_shift = 4, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1072 | }, { |
| 1073 | .name = "HDMI", |
| 1074 | .id = MTK_AFE_MEMIF_HDMI, |
| 1075 | .reg_ofs_base = AFE_HDMI_OUT_BASE, |
| 1076 | .reg_ofs_cur = AFE_HDMI_OUT_CUR, |
| 1077 | .fs_shift = -1, |
| 1078 | .mono_shift = -1, |
| 1079 | .enable_shift = -1, |
| 1080 | .irq_reg_cnt = AFE_IRQ_CNT5, |
| 1081 | .irq_cnt_shift = 0, |
| 1082 | .irq_en_shift = 12, |
| 1083 | .irq_fs_shift = -1, |
| 1084 | .irq_clr_shift = 4, |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 1085 | .msb_shift = 8, |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1086 | }, |
| 1087 | }; |
| 1088 | |
| 1089 | static const struct regmap_config mtk_afe_regmap_config = { |
| 1090 | .reg_bits = 32, |
| 1091 | .reg_stride = 4, |
| 1092 | .val_bits = 32, |
| 1093 | .max_register = AFE_ADDA2_TOP_CON0, |
| 1094 | .cache_type = REGCACHE_NONE, |
| 1095 | }; |
| 1096 | |
| 1097 | static irqreturn_t mtk_afe_irq_handler(int irq, void *dev_id) |
| 1098 | { |
| 1099 | struct mtk_afe *afe = dev_id; |
Koro Chen | 8d6f88c | 2015-12-03 15:53:28 +0800 | [diff] [blame] | 1100 | unsigned int reg_value; |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1101 | int i, ret; |
| 1102 | |
| 1103 | ret = regmap_read(afe->regmap, AFE_IRQ_STATUS, ®_value); |
| 1104 | if (ret) { |
| 1105 | dev_err(afe->dev, "%s irq status err\n", __func__); |
| 1106 | reg_value = AFE_IRQ_STATUS_BITS; |
| 1107 | goto err_irq; |
| 1108 | } |
| 1109 | |
| 1110 | for (i = 0; i < MTK_AFE_MEMIF_NUM; i++) { |
| 1111 | struct mtk_afe_memif *memif = &afe->memif[i]; |
| 1112 | |
| 1113 | if (!(reg_value & (1 << memif->data->irq_clr_shift))) |
| 1114 | continue; |
| 1115 | |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1116 | snd_pcm_period_elapsed(memif->substream); |
| 1117 | } |
| 1118 | |
| 1119 | err_irq: |
| 1120 | /* clear irq */ |
| 1121 | regmap_write(afe->regmap, AFE_IRQ_CLR, reg_value & AFE_IRQ_STATUS_BITS); |
| 1122 | |
| 1123 | return IRQ_HANDLED; |
| 1124 | } |
| 1125 | |
| 1126 | static int mtk_afe_runtime_suspend(struct device *dev) |
| 1127 | { |
| 1128 | struct mtk_afe *afe = dev_get_drvdata(dev); |
| 1129 | |
Koro Chen | c1f2a34 | 2015-12-22 11:11:34 +0800 | [diff] [blame] | 1130 | /* disable AFE */ |
| 1131 | regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0); |
| 1132 | |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1133 | /* disable AFE clk */ |
| 1134 | regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, |
| 1135 | AUD_TCON0_PDN_AFE, AUD_TCON0_PDN_AFE); |
| 1136 | |
| 1137 | clk_disable_unprepare(afe->clocks[MTK_CLK_BCK0]); |
| 1138 | clk_disable_unprepare(afe->clocks[MTK_CLK_BCK1]); |
| 1139 | clk_disable_unprepare(afe->clocks[MTK_CLK_TOP_PDN_AUD]); |
| 1140 | clk_disable_unprepare(afe->clocks[MTK_CLK_TOP_PDN_AUD_BUS]); |
| 1141 | clk_disable_unprepare(afe->clocks[MTK_CLK_INFRASYS_AUD]); |
| 1142 | return 0; |
| 1143 | } |
| 1144 | |
| 1145 | static int mtk_afe_runtime_resume(struct device *dev) |
| 1146 | { |
| 1147 | struct mtk_afe *afe = dev_get_drvdata(dev); |
| 1148 | int ret; |
| 1149 | |
| 1150 | ret = clk_prepare_enable(afe->clocks[MTK_CLK_INFRASYS_AUD]); |
| 1151 | if (ret) |
| 1152 | return ret; |
| 1153 | |
| 1154 | ret = clk_prepare_enable(afe->clocks[MTK_CLK_TOP_PDN_AUD_BUS]); |
| 1155 | if (ret) |
| 1156 | goto err_infra; |
| 1157 | |
| 1158 | ret = clk_prepare_enable(afe->clocks[MTK_CLK_TOP_PDN_AUD]); |
| 1159 | if (ret) |
| 1160 | goto err_top_aud_bus; |
| 1161 | |
| 1162 | ret = clk_prepare_enable(afe->clocks[MTK_CLK_BCK0]); |
| 1163 | if (ret) |
| 1164 | goto err_top_aud; |
| 1165 | |
| 1166 | ret = clk_prepare_enable(afe->clocks[MTK_CLK_BCK1]); |
| 1167 | if (ret) |
| 1168 | goto err_bck0; |
| 1169 | |
| 1170 | /* enable AFE clk */ |
| 1171 | regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_AFE, 0); |
| 1172 | |
| 1173 | /* set O3/O4 16bits */ |
| 1174 | regmap_update_bits(afe->regmap, AFE_CONN_24BIT, |
| 1175 | AFE_CONN_24BIT_O03 | AFE_CONN_24BIT_O04, 0); |
| 1176 | |
| 1177 | /* unmask all IRQs */ |
| 1178 | regmap_update_bits(afe->regmap, AFE_IRQ_MCU_EN, 0xff, 0xff); |
Koro Chen | c1f2a34 | 2015-12-22 11:11:34 +0800 | [diff] [blame] | 1179 | |
| 1180 | /* enable AFE */ |
| 1181 | regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1182 | return 0; |
| 1183 | |
| 1184 | err_bck0: |
| 1185 | clk_disable_unprepare(afe->clocks[MTK_CLK_BCK0]); |
| 1186 | err_top_aud: |
| 1187 | clk_disable_unprepare(afe->clocks[MTK_CLK_TOP_PDN_AUD]); |
| 1188 | err_top_aud_bus: |
| 1189 | clk_disable_unprepare(afe->clocks[MTK_CLK_TOP_PDN_AUD_BUS]); |
| 1190 | err_infra: |
| 1191 | clk_disable_unprepare(afe->clocks[MTK_CLK_INFRASYS_AUD]); |
| 1192 | return ret; |
| 1193 | } |
| 1194 | |
| 1195 | static int mtk_afe_init_audio_clk(struct mtk_afe *afe) |
| 1196 | { |
| 1197 | size_t i; |
| 1198 | |
| 1199 | for (i = 0; i < ARRAY_SIZE(aud_clks); i++) { |
| 1200 | afe->clocks[i] = devm_clk_get(afe->dev, aud_clks[i]); |
| 1201 | if (IS_ERR(afe->clocks[i])) { |
| 1202 | dev_err(afe->dev, "%s devm_clk_get %s fail\n", |
| 1203 | __func__, aud_clks[i]); |
| 1204 | return PTR_ERR(afe->clocks[i]); |
| 1205 | } |
| 1206 | } |
| 1207 | clk_set_rate(afe->clocks[MTK_CLK_BCK0], 22579200); /* 22M */ |
| 1208 | clk_set_rate(afe->clocks[MTK_CLK_BCK1], 24576000); /* 24M */ |
| 1209 | return 0; |
| 1210 | } |
| 1211 | |
| 1212 | static int mtk_afe_pcm_dev_probe(struct platform_device *pdev) |
| 1213 | { |
| 1214 | int ret, i; |
| 1215 | unsigned int irq_id; |
| 1216 | struct mtk_afe *afe; |
| 1217 | struct resource *res; |
| 1218 | |
PC Liao | fcde5a7 | 2016-01-12 14:33:42 +0800 | [diff] [blame] | 1219 | ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33)); |
| 1220 | if (ret) |
| 1221 | return ret; |
| 1222 | |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1223 | afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL); |
| 1224 | if (!afe) |
| 1225 | return -ENOMEM; |
| 1226 | |
| 1227 | afe->dev = &pdev->dev; |
| 1228 | |
| 1229 | irq_id = platform_get_irq(pdev, 0); |
| 1230 | if (!irq_id) { |
| 1231 | dev_err(afe->dev, "np %s no irq\n", afe->dev->of_node->name); |
| 1232 | return -ENXIO; |
| 1233 | } |
| 1234 | ret = devm_request_irq(afe->dev, irq_id, mtk_afe_irq_handler, |
| 1235 | 0, "Afe_ISR_Handle", (void *)afe); |
| 1236 | if (ret) { |
| 1237 | dev_err(afe->dev, "could not request_irq\n"); |
| 1238 | return ret; |
| 1239 | } |
| 1240 | |
| 1241 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 1242 | afe->base_addr = devm_ioremap_resource(&pdev->dev, res); |
| 1243 | if (IS_ERR(afe->base_addr)) |
| 1244 | return PTR_ERR(afe->base_addr); |
| 1245 | |
| 1246 | afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr, |
| 1247 | &mtk_afe_regmap_config); |
| 1248 | if (IS_ERR(afe->regmap)) |
| 1249 | return PTR_ERR(afe->regmap); |
| 1250 | |
| 1251 | /* initial audio related clock */ |
| 1252 | ret = mtk_afe_init_audio_clk(afe); |
| 1253 | if (ret) { |
| 1254 | dev_err(afe->dev, "mtk_afe_init_audio_clk fail\n"); |
| 1255 | return ret; |
| 1256 | } |
| 1257 | |
| 1258 | for (i = 0; i < MTK_AFE_MEMIF_NUM; i++) |
| 1259 | afe->memif[i].data = &memif_data[i]; |
| 1260 | |
| 1261 | platform_set_drvdata(pdev, afe); |
| 1262 | |
| 1263 | pm_runtime_enable(&pdev->dev); |
| 1264 | if (!pm_runtime_enabled(&pdev->dev)) { |
| 1265 | ret = mtk_afe_runtime_resume(&pdev->dev); |
| 1266 | if (ret) |
| 1267 | goto err_pm_disable; |
| 1268 | } |
| 1269 | |
| 1270 | ret = snd_soc_register_platform(&pdev->dev, &mtk_afe_pcm_platform); |
| 1271 | if (ret) |
| 1272 | goto err_pm_disable; |
| 1273 | |
| 1274 | ret = snd_soc_register_component(&pdev->dev, |
| 1275 | &mtk_afe_pcm_dai_component, |
| 1276 | mtk_afe_pcm_dais, |
| 1277 | ARRAY_SIZE(mtk_afe_pcm_dais)); |
| 1278 | if (ret) |
| 1279 | goto err_platform; |
| 1280 | |
| 1281 | ret = snd_soc_register_component(&pdev->dev, |
| 1282 | &mtk_afe_hdmi_dai_component, |
| 1283 | mtk_afe_hdmi_dais, |
| 1284 | ARRAY_SIZE(mtk_afe_hdmi_dais)); |
| 1285 | if (ret) |
| 1286 | goto err_comp; |
| 1287 | |
| 1288 | dev_info(&pdev->dev, "MTK AFE driver initialized.\n"); |
| 1289 | return 0; |
| 1290 | |
| 1291 | err_comp: |
| 1292 | snd_soc_unregister_component(&pdev->dev); |
| 1293 | err_platform: |
| 1294 | snd_soc_unregister_platform(&pdev->dev); |
| 1295 | err_pm_disable: |
| 1296 | pm_runtime_disable(&pdev->dev); |
| 1297 | return ret; |
| 1298 | } |
| 1299 | |
| 1300 | static int mtk_afe_pcm_dev_remove(struct platform_device *pdev) |
| 1301 | { |
| 1302 | pm_runtime_disable(&pdev->dev); |
Koro Chen | 4623a61 | 2015-06-23 19:01:20 +0800 | [diff] [blame] | 1303 | if (!pm_runtime_status_suspended(&pdev->dev)) |
| 1304 | mtk_afe_runtime_suspend(&pdev->dev); |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1305 | snd_soc_unregister_component(&pdev->dev); |
| 1306 | snd_soc_unregister_platform(&pdev->dev); |
| 1307 | return 0; |
| 1308 | } |
| 1309 | |
| 1310 | static const struct of_device_id mtk_afe_pcm_dt_match[] = { |
| 1311 | { .compatible = "mediatek,mt8173-afe-pcm", }, |
| 1312 | { } |
| 1313 | }; |
| 1314 | MODULE_DEVICE_TABLE(of, mtk_afe_pcm_dt_match); |
| 1315 | |
| 1316 | static const struct dev_pm_ops mtk_afe_pm_ops = { |
| 1317 | SET_RUNTIME_PM_OPS(mtk_afe_runtime_suspend, mtk_afe_runtime_resume, |
| 1318 | NULL) |
| 1319 | }; |
| 1320 | |
| 1321 | static struct platform_driver mtk_afe_pcm_driver = { |
| 1322 | .driver = { |
| 1323 | .name = "mtk-afe-pcm", |
Koro Chen | ee0bcaf | 2015-06-15 22:38:02 +0800 | [diff] [blame] | 1324 | .of_match_table = mtk_afe_pcm_dt_match, |
| 1325 | .pm = &mtk_afe_pm_ops, |
| 1326 | }, |
| 1327 | .probe = mtk_afe_pcm_dev_probe, |
| 1328 | .remove = mtk_afe_pcm_dev_remove, |
| 1329 | }; |
| 1330 | |
| 1331 | module_platform_driver(mtk_afe_pcm_driver); |
| 1332 | |
| 1333 | MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver"); |
| 1334 | MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); |
| 1335 | MODULE_LICENSE("GPL v2"); |